html {
    box-sizing: border-box;
    font-size: 6px;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    padding: 0;
    margin: 0;
    font-family: 'Amatic SC', cursive;
    text-align: center;
    background-image: url(image/bg.jpg);
    cursor: url(image/cursor.png),auto;
}

p{
    text-align: left;
    font-size: 10rem;
    line-height: 1;
    margin-bottom: 0;
}
h1 {
    text-align: center;
    font-size: 10rem;
    line-height: 1;
    margin-bottom: 0;
}

.title {
    display: flex;
    justify-content: center;
}
.gold{
    background: rgba(255, 255, 255, 0.2);
    padding: 0 2rem;
    line-height: 1;
    border-radius: 1rem;
}
.score {
    background: rgba(255, 255, 255, 0.2);
    padding: 0 3rem;
    line-height: 1;
    border-radius: 1rem;
}

.game {
    width: 800px;
    height: 550px;
    display: flex;
    flex-wrap: wrap;
    margin: 0 auto;
}

.hole {
    flex: 1 0 33.33%;
    overflow: hidden;
    position: relative;
}

.hole:after {
    display: block;
    background: url(dirt.svg) bottom center no-repeat;
    background-size: contain;
    content: '';
    width: 100%;
    height: 70px;
    position: absolute;
    z-index: 2;
    bottom: -30px;
}

.mole {
    background: url(image/mouse3.png) bottom center no-repeat;
    background-size: 60%;
    position: absolute;
    top: 100%;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    transition: all 0.4s;
}

.hole.up .mole {
    top: 0;
}

.bubbly-button {
    font-family: 'Helvetica', 'Arial', sans-serif;
    display: inline-block;
    font-size: 2em;
    padding: 1em 2em;
    margin-top: 50px;
    /*margin-bottom: 60px;*/
    -webkit-appearance: none;
    appearance: none;
    background-color: #FFA000;
    color: #fff;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    position: relative;
    transition: transform ease-in 0.1s, box-shadow ease-in 0.25s;
    box-shadow: 0 2px 25px #FF9800;
}

.bubbly-button:focus {
    outline: 0;
}
.bubbly-button:before, .bubbly-button:after {
    position: absolute;
    content: '';
    display: block;
    width: 140%;
    height: 100%;
    left: -20%;
    z-index: -1000;
    transition: all ease-in-out 0.5s;
    background-repeat: no-repeat;
}
.bubbly-button:before {
    display: none;
    top: -75%;
    background-image: radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, transparent 20%, #FFA000 20%, transparent 30%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, transparent 10%, #FFA000 15%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%);
    background-size: 10% 10%, 20% 20%, 15% 15%, 20% 20%, 18% 18%, 10% 10%, 15% 15%, 10% 10%, 18% 18%;
}
.bubbly-button:after {
    display: none;
    bottom: -75%;
    background-image: radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, transparent 10%, #FFA000 15%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%), radial-gradient(circle, #FFA000 20%, transparent 20%);
    background-size: 15% 15%, 20% 20%, 18% 18%, 20% 20%, 15% 15%, 10% 10%, 20% 20%;
}
.bubbly-button:active {
    transform: scale(0.9);
    background-color: #FF9800;
    box-shadow: 0 2px 25px #FF9800;
}
.bubbly-button.animate:before {
    display: block;
    animation: topBubbles ease-in-out 0.75s forwards;
}
.bubbly-button.animate:after {
    display: block;
    animation: bottomBubbles ease-in-out 0.75s forwards;
}

@keyframes topBubbles {
    0% {
        background-position: 5% 90%, 10% 90%, 10% 90%, 15% 90%, 25% 90%, 25% 90%, 40% 90%, 55% 90%, 70% 90%;
    }
    50% {
        background-position: 0 80%, 0 20%, 10% 40%, 20% 0, 30% 30%, 22% 50%, 50% 50%, 65% 20%, 90% 30%;
    }
    100% {
        background-position: 0 70%, 0 10%, 10% 30%, 20% -10%, 30% 20%, 22% 40%, 50% 40%, 65% 10%, 90% 20%;
        background-size: 0 0, 0 0,  0 0,  0 0,  0 0,  0 0;
    }
}
@keyframes bottomBubbles {
    0% {
        background-position: 10% -10%, 30% 10%, 55% -10%, 70% -10%, 85% -10%, 70% -10%, 70% 0;
    }
    50% {
        background-position: 0 80%, 20% 80%, 45% 60%, 60% 100%, 75% 70%, 95% 60%, 105% 0;
    }
    100% {
        background-position: 0 90%, 20% 90%, 45% 70%, 60% 110%, 75% 80%, 95% 70%, 110% 10%;
        background-size: 0 0, 0 0,  0 0,  0 0,  0 0,  0 0;
    }
}
